diff --git a/pkgs/development/python-modules/zbaemon/default.nix b/pkgs/development/python-modules/zbaemon/default.nix
new file mode 100644
index 00000000000..1a7627bf5dd
--- /dev/null
+++ b/pkgs/development/python-modules/zbaemon/default.nix
@@ -0,0 +1,28 @@
+{ stdenv
+, buildPythonPackage
+, fetchPypi
+, zconfig
+}:
+
+buildPythonPackage rec {
+  pname = "zdaemon";
+  version = "4.0.0";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "82d7eaa4d831ff1ecdcffcb274f3457e095c0cc86e630bc72009a863c341ab9f";
+  };
+
+  propagatedBuildInputs = [ zconfig ];
+
+  # too many deps..
+  doCheck = false;
+
+  meta = with stdenv.lib; {
+    description = "A daemon process control library and tools for Unix-based systems";
+    homepage = https://pypi.python.org/pypi/zdaemon;
+    license = licenses.zpl20;
+    maintainers = with maintainers; [ goibhniu ];
+  };
+
+}
diff --git a/pkgs/development/python-modules/zdaemon/default.nix b/pkgs/development/python-modules/zdaemon/default.nix
new file mode 100644
index 00000000000..1a7627bf5dd
--- /dev/null
+++ b/pkgs/development/python-modules/zdaemon/default.nix
@@ -0,0 +1,28 @@
+{ stdenv
+, buildPythonPackage
+, fetchPypi
+, zconfig
+}:
+
+buildPythonPackage rec {
+  pname = "zdaemon";
+  version = "4.0.0";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "82d7eaa4d831ff1ecdcffcb274f3457e095c0cc86e630bc72009a863c341ab9f";
+  };
+
+  propagatedBuildInputs = [ zconfig ];
+
+  # too many deps..
+  doCheck = false;
+
+  meta = with stdenv.lib; {
+    description = "A daemon process control library and tools for Unix-based systems";
+    homepage = https://pypi.python.org/pypi/zdaemon;
+    license = licenses.zpl20;
+    maintainers = with maintainers; [ goibhniu ];
+  };
+
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 90580f4507a..ff979fa8258 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -4164,31 +4164,9 @@ in {
 
   zconfig = callPackage ../development/python-modules/zconfig { };
 
-
   zc_lockfile = callPackage ../development/python-modules/zc_lockfile { };
 
-  zdaemon = buildPythonPackage rec {
-    name = "zdaemon-${version}";
-    version = "4.0.0";
-
-    src = pkgs.fetchurl {
-      url = "mirror://pypi/z/zdaemon/${name}.tar.gz";
-      sha256 = "82d7eaa4d831ff1ecdcffcb274f3457e095c0cc86e630bc72009a863c341ab9f";
-    };
-
-    propagatedBuildInputs = [ self.zconfig ];
-
-    # too many deps..
-    doCheck = false;
-
-    meta = {
-      description = "A daemon process control library and tools for Unix-based systems";
-      homepage = https://pypi.python.org/pypi/zdaemon;
-      license = licenses.zpl20;
-      maintainers = with maintainers; [ goibhniu ];
-    };
-  };
-
+  zdaemon = callPackage ../development/python-modules/zdaemon { };
 
   zfec = buildPythonPackage (rec {
     name = "zfec-1.4.24";